A ROOFING DEVICE
The device provides for an aesthetic and inexpensive opening in a roof, e.g. for roof ventilation or roof surface penetration, if an insert (8) with a catchment area to trap and lead away deposits and dirt entering through the aperture (12) is fitted beneath the roof component and substantially para...
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Main Author | |
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Format | Patent |
Language | English German |
Published |
01.11.1990
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Subjects | |
Online Access | Get full text |
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